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1486 vs. 1586
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blueraid
Posted 9/6/2011 21:24 (#1949746)
Subject: 1486 vs. 1586



Southern Middle Tennessee
Are there many differences between these two tractors? Can the 14 be turned up to run with the 15? How many horses did most people have them set at? I know the JD 4840's were up over 200. Were the Internationals like that also?
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young buck1
Posted 9/6/2011 21:33 (#1949772 - in reply to #1949746)
Subject: Re: 1486 vs. 1586


Sibley county Minesota
1486 had a 4 speed transmission and 1586 had a 3 speed transmission.
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REDMAN2188
Posted 9/6/2011 21:36 (#1949781 - in reply to #1949772)
Subject: Re: 1486 vs. 1586


north,ala
put a 3lm on it and some fuel make 300+
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blueraid
Posted 9/6/2011 21:41 (#1949804 - in reply to #1949781)
Subject: Re: 1486 vs. 1586



Southern Middle Tennessee
I figured you could make some big HP with it. Any idea what would be a safe HP for it without shredding the tractor? I had a 1066 for a few years and it ran like a scalded dog. Should've held on to her.
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mike in sw mn
Posted 9/6/2011 22:00 (#1949857 - in reply to #1949746)
Subject: Re: 1486 vs. 1586


Walnut Grove MN USA
Dad had a 1586 years ago. I'll probably get flamed real good for this but it couldn't handle factory hp. Spit rearends all the time, IH made a lot of guys turn to JD around here. Those old 48's weren't the best to run but at least they kept going. A 14 is just a higher hp 10, 15 had a different trans and rear.
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johns_79
Posted 9/6/2011 22:30 (#1949933 - in reply to #1949746)
Subject: Re: 1486 vs. 1586


Windom, MN
I agree mike, the 86 IH made a lot of guys move to green around here. Lots of then had rear end trouble, just were built too light for the HP being put through them. We never had an 86, but had an early 2+2 with the 86 series cab and shifting pattern, and we hated it. Those backwards doors were a pin in the butt, and tripping over the shifters (which shifted much harder than our 66 and 56) all the time wasn't great either. Never had any rear end trouble (factory was 150, and that's where it stayed) We didn't switch to green, we run our tractors a long time and bought a 7120 when they first came out. That is/was a great tractor (sold it this spring).
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steigerpower
Posted 9/6/2011 22:41 (#1949970 - in reply to #1949857)
Subject: Re: 1486 vs. 1586


nw sd

15's have a heavier TA as well.

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tommyw-5088
Posted 9/6/2011 22:47 (#1949993 - in reply to #1949933)
Subject: Re: 1486 vs. 1586


Central Texas
Im a red tractor man , but a 4840 will outlast several 14-1586"s doing heavy work .
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DAA
Posted 9/6/2011 23:27 (#1950090 - in reply to #1949993)
Subject: Re: 1486 vs. 1586


Sort of Central to North Central Iowa
1586 has planetary gears in the rear end vs. bull and pinion in the 1486 and smaller. We had a worn out 1586 for several years that we used to plant with our 800 12row VF, cultivate and haul loads. It had 18.4-42's, which made it go down the road almost as fast as our 1086. We previously planted with the 1086, but two axle bearing replacements caused us to get the 1586. It worked well for the heavy 3 pt. work. Downside was 1 high was about the only gear for fieldwork.
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cottongrower
Posted 9/6/2011 23:36 (#1950113 - in reply to #1949993)
Subject: Re: 1486 vs. 1586


mississippi delta
We use to have both. Couldn't keep a rearend in a 1586 over 180hp. 4840 is still pulling 225 but don't get used for heavy work anymore. Worst red tractor that's ever been on the farm. A tie between the 4640 4840 and 8300 on the green side. By no means bashing red have had several good red ones 7240 7130 5488.
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boog
Posted 9/7/2011 06:33 (#1950331 - in reply to #1949746)
Subject: Re: 1486 vs. 1586



If you turn it up you'll end up with rear end problems. I owned 2 1066s, a 1086, & a 1486 back in the day and that was my biggest problem with them. Everyone but the 1086 had rear problems & I never had them turned up. However, the 1086 loved TAs . I'm still pretty much red, though have owned a few JDs in my day, but those 4 tractors about broke me. Good engine, poor rearends. :~(
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maninblack
Posted 9/7/2011 07:04 (#1950354 - in reply to #1949746)
Subject: Re: 1486 vs. 1586


So Illinois
Happiest day was when the 1486 left the farm.
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8130JD
Posted 9/7/2011 08:53 (#1950483 - in reply to #1950354)
Subject: Re: 1486 vs. 1586



central ILL
1586 is not the same tractor as a 4840. It was the same as a 4640. Both were rated at 160 pto hp. Now comparing a 1586 to a 4640, have ran both and the 1586 will run the wheels off a 4640. No low end torque with the 4640. We had no rear end trouble with the 1586 and it was set at 175 hp. IH mechanic told me you could up the hp 10% above stock and get by just fine. Anything over and you could have trouble.
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farmdude
Posted 9/7/2011 14:26 (#1950851 - in reply to #1950483)
Subject: Re: 1486 vs. 1586


I have a 1486. Its definitly a torque monster. Not knocking Deere but you could run a 1486 under half throttle under a heavy load an not kill it. A 4640 would kill down easily. That era IH dominated in tractor pulls especially the super stock class. It wasnt fun watching the pulls as you knew red would dominate. Now days things have equaled up. I would have liked a 1486 engine in a Deere tractor. That would have been a great combination.
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801486
Posted 9/7/2011 18:38 (#1951077 - in reply to #1949746)
Subject: Re: 1486 vs. 1586


A friend of mine that is a retired IH mechanic said if you replace some things in the 1586 rearend with parts from a 2+2 you could make the rear end pretty bulletproof. He should have known he had a 15 that was putting out well over 200.
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Shotgun
Posted 9/7/2011 20:25 (#1951229 - in reply to #1951077)
Subject: Re: 1486 vs. 1586



Monticello Ar
Dad had a 15 I ran all the time as a kid. Pulled a 25' 490 disk all the time with no trouble. Not sure on the hp but I know on a subsoiler or a purdy bucket under a hard pull it would carry the front end. Never had any trouble from rear end until the day they picked it up after delivering our first new tractor. I had ran it all morning they showed up about 1 and unloaded the new tractor. I unhooked the 15 from the disc and when they went to load it on the trailer the reared locked up when the front tires hit the trailer. This was in '89 I still miss that rough riding sucker.
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